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    Question

    On Sunday, six trains (i.e. train 1, train 2 and so on)

    are standing on six different platforms respectively from left to right facing North. Next day, all the trains are there on the same six platforms in such a way that no train is on the same platform as on the Sunday. On Monday, following observation are made: (i) Train 2 was immediately to the left of Train 5. (ii) Train 4 has Train 6 to its immediate left and neither of them were at Train 3’s original place. (iii) Train 1 has Train 3 on its immediate right and Train 5 on its immediate left. If an even numbered train is at the East end on Monday, which train is fourth from the right end.
    A Train1 Correct Answer Incorrect Answer
    B Train 2 Correct Answer Incorrect Answer
    C Train 3 Correct Answer Incorrect Answer
    D Cannot be determined Correct Answer Incorrect Answer

    Solution

    From the given information at (i), (ii) and (iii), there are two possibilities : Possibility I : 6 4 2 5 1 3 Possibility 2 : 2 5 1 3 6 4 But since, in the question, it is said that an even numbered train is at the East end, possibility II is the correct arrangement.

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